
Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI

12 alternatives to Voker, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth |
|---|
| Pricing Model |
|---|
| Primary Market |
|---|
| Rating |
|---|
| Compare |
|---|
| ● | Voker | voker.ai | 3.23K | -1.57K (-32.6%) | Freemium, Free Trial, Contact for Pricing | United States | 4.1 | Profile |
| 1 | Arize AI | arize.com | 249.03K | 7.67K (+3.2%) | Paid, Contact for Pricing | United States | 4.6 | Compare |
| 2 | LangWatch | langwatch.ai | 52.1K | 21.98K (+73%) | Contact for Pricing | United States | 4.6 | Compare |
| 3 | Treg | treg.to | 452.94K | 312.9K (+223.4%) | Freemium | United States | 4.5 | Compare |
| 4 | Maxim AI | getmaxim.ai | 121.35K | 11.07K (+10%) | Contact for Pricing, Free Open Source | India | 4.3 | Compare |
| 5 | Datadog | datadoghq.com | 5.18M | -263.56K (-4.8%) | Freemium, Free Trial, Paid, Contact for Pricing, Free | United States | 4.7 | Compare |
| 6 | Portkey | portkey.ai | 195.65K | -20.41K (-9.4%) | Freemium, Paid, Contact for Pricing | United States | 4.7 | Compare |
| 7 | Vivgrid | vivgrid.com | 3.74K | 1.56K (+71.1%) | Freemium | United States | 4.2 | Compare |
| 8 | Raindrop | raindrop.ai | 42.81K | -9.63K (-18.4%) | Free Trial, Paid, Contact for Pricing | United States | 4.4 | Compare |
| 9 | honeyhive.ai | honeyhive.ai | 8.84K | -9.75K (-52.5%) | Freemium, Contact for Pricing | United States | 4.4 | Compare |
| 10 | Emergence AI | emergence.ai | 54.68K | -41.42K (-43.1%) | Contact for Pricing | United States | 4.4 | Compare |
| 11 | OpenLIT | openlit.io | 6.03K | -1.35K (-18.3%) | Free | United States | 4.7 | Compare |
| 12 | Cekura | cekura.ai | 73.23K | -17.11K (-18.9%) | Contact for Pricing | United States | 4.2 | Compare |

Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI

Free / Open-sourceAgent observability, evals and governance for AI platform teams
Free / Open-sourceAgent observability, evals and governance for AI platform teams

Free / Open-sourceOne key for 4,100+ agent tools, pay per call

Free / Open-sourceEvaluate, monitor, and govern your AI applications in production
Free / Open-sourceEvaluate, monitor, and govern your AI applications in production
Unified observability, security and incident response for cloud-scale engineering teams
Unified observability, security and incident response for cloud-scale engineering teams
AI gateway, observability and guardrails for production LLM apps

Managed Skills platform for shipping production AI agents

Find and fix problems in your AI agents before users do
Find and fix problems in your AI agents before users do

Observe, evaluate and monitor AI agents in production
Observe, evaluate and monitor AI agents in production

Verified agentic infrastructure for mission-critical enterprise systems

Free / Open-sourceOpen-source, OpenTelemetry-native observability and harness engineering for AI agents
Free / Open-sourceOpen-source, OpenTelemetry-native observability and harness engineering for AI agents